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Fig. 1 | Cell & Bioscience

Fig. 1

From: Enhanced bacterial cancer therapy delivering therapeutic RNA interference of c-Myc

Fig. 1

Design and validation of SL7207 synthetic expression cassette strains. (A) Schematic illustrating components and location of validation primers for incorporation of a synthetic shRNA expression cassette into the xylA locus of Salmonella strain SL7207. Two primer sets were used to test that the cassette was integrated (red dot internal primer set) and was in the correct orientation (green dot integration primer set). (B) The expected PCR products of 274 bp (integration primers) and 444 bp (internal primers) for both the positive control and the scrambled (SCR) and c-Myc shRNA strains were observed. (C) Percentage of KmR cells five days (∼ 80 divisions) following kanamycin withdrawal demonstrating the retention of chromosomal (SL7207/Chr-KmR) versus vector (SL7207/pME6-KmR) derived resistance (**** P < 0.0001; unpaired T-test)

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Cell & Bioscience

ISSN: 2045-3701

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